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MPI

MP40PHTC-T4AC

Latest modelPassenger locomotiveIntroduced Produced 2015–MPI MP40PHTC-T4AC family
Research Quality: 40% complete
MPIMP40PHTC-T4AC
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Preceded by
MP40PH-3C
This tool
MP40PHTC-T4AC
Succeeded by
Latest generation
All related

What is it?

The sources state that the MP54AC, also known as MP40PHTC-T4AC, is the latest locomotive in the MPXpress family and uses a pair of Cummins QSK60 engines rated at 2,700 hp each. It is described as designed to meet EPA Tier 4 emissions standards and offer higher performance than the MP40PH-3C.

What can it run?

Process applications and technology nodes documented for this tool.

  • Passenger rail service
  • Commuter rail

What do the numbers mean?

Configuration & options6

Alternate designation
MP54AC[1]
Accurate?
Type
genset locomotive[1]
Accurate?
Engine
pair of Cummins QSK60 60-liter, 16-cylinder engines[1]
Accurate?
Engine rating
2,700 hp each (5,400 hp total)[1]
Accurate?
Emissions standard
EPA Tier 4[1]
Accurate?
Total horsepower
5,400 hp[1]
Accurate?

Vintage & configurations

  1. 2015Launch customer prototype delivered[1]

    The first prototype unit was delivered to GO Transit in late 2015.

  2. 2015Production start[1]

    The first prototype unit was delivered to GO Transit in late 2015.

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What replaced it?

  • predecessorMPI MP40PH-3CThe MP54AC was developed to offer higher performance than the MP40PH-3C, and the first prototype was converted from an MP40PH-3C.source[1]

Where are the manuals?

Generated from public-source data on file. Enter your email to access — nothing is published; details are routed privately.

Not publicly documented

Field notes

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Not publicly documented

The following facts about the MP40PHTC-T4AC are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.

  • No publicly documented variants, configuration options, or revision breakpoints of the MP40PHTC-T4AC are on record.

    Answerable by: an OEM product catalog or an engineer who ordered or specified the tool

  • The control-system platform and OS era of the MP40PHTC-T4AC are not on record.

    Answerable by: an engineer who operated it or OEM installation records

  • No publicly documented failure modes or field errata for the MP40PHTC-T4AC are on record.

    Answerable by: a field service engineer, process engineer, or maintenance technician

  • The process node or technology generation of the MP40PHTC-T4AC is not on record.

    Answerable by: an OEM datasheet or a fab qualification report

  • No publicly documented compatible parts, consumables, or accessories for the MP40PHTC-T4AC are on record.

    Answerable by: an OEM parts catalog or a service engineer

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Sources & citations

Sources (1)Every fact above is drawn from these public sources
  1. [1]en.wikipedia.orgen.wikipedia.orgen.wikipedia.org
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Last updated Jul 29, 2026.

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